William was born before 1514, the son of unknown parents. The place is not known.
He died on 17 MAY 1575. The place is not known.
He had two marriages/partners. His first wife was Mary Sidney. They were married, but the date and place have not been found. They had no known children.
His second wife was Dorothy Catesby, who he married in ABT 1550. The place has not been found. Their only known child was Robert (1551-1616).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | BEF 1514 |
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| Death | 17 MAY 1575 |
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Note 1
of Sir Robert Dormer (died 2 or 8 July 1552) of West Wycombe and Wing, Buckinghamshire, and London, and his wife Jane Newdigate (d.1568)